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/****************************************************************************
**
** Copyright (C) 2020 Paolo Angelelli <paolo.angelelli@gmail.com>
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEPOLYGONMAPITEM_P_P_H
#define QDECLARATIVEPOLYGONMAPITEM_P_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QList>
#include <QtCore/QScopedValueRollback>
#include <QtGui/QMatrix4x4>
#include <QtGui/QColor>
#include <QSGFlatColorMaterial>
#include <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qgeomapitemgeometry_p.h>
#include <QtLocation/private/qdeclarativepolygonmapitem_p.h>
#include <QtLocation/private/qdeclarativepolylinemapitem_p_p.h>
#include <QtPositioning/private/qdoublevector2d_p.h>
QT_BEGIN_NAMESPACE
class Q_LOCATION_PRIVATE_EXPORT QGeoMapPolygonGeometry : public QGeoMapItemGeometry
{
public:
QGeoMapPolygonGeometry();
inline void setAssumeSimple(bool value) { assumeSimple_ = value; }
void updateSourcePoints(const QGeoMap &map,
const QList<QDoubleVector2D> &path);
void updateScreenPoints(const QGeoMap &map, qreal strokeWidth = 0.0);
protected:
QPainterPath srcPath_;
bool assumeSimple_ = false;
};
class Q_LOCATION_PRIVATE_EXPORT MapPolygonNode : public MapItemGeometryNode
{
public:
MapPolygonNode();
~MapPolygonNode() override;
void update(const QColor &fillColor, const QColor &borderColor,
const QGeoMapItemGeometry *fillShape,
const QGeoMapItemGeometry *borderShape);
private:
QSGFlatColorMaterial fill_material_;
MapPolylineNode *border_;
QSGGeometry geometry_;
};
class Q_LOCATION_PRIVATE_EXPORT QDeclarativePolygonMapItemPrivate
{
Q_DISABLE_COPY_MOVE(QDeclarativePolygonMapItemPrivate)
public:
QDeclarativePolygonMapItemPrivate(QDeclarativePolygonMapItem &polygon)
: m_poly(polygon)
{
}
virtual ~QDeclarativePolygonMapItemPrivate();
virtual void onLinePropertiesChanged() = 0;
virtual void markSourceDirtyAndUpdate() = 0;
virtual void onMapSet() = 0;
virtual void onGeoGeometryChanged() = 0;
virtual void onGeoGeometryUpdated() = 0;
virtual void onItemGeometryChanged() = 0;
virtual void updatePolish() = 0;
virtual void afterViewportChanged() = 0;
virtual QSGNode * updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) = 0;
virtual bool contains(const QPointF &point) const = 0;
QDeclarativePolygonMapItem &m_poly;
};
class Q_LOCATION_PRIVATE_EXPORT QDeclarativePolygonMapItemPrivateCPU: public QDeclarativePolygonMapItemPrivate
{
public:
QDeclarativePolygonMapItemPrivateCPU(QDeclarativePolygonMapItem &polygon)
: QDeclarativePolygonMapItemPrivate(polygon)
{
}
~QDeclarativePolygonMapItemPrivateCPU() override;
void onLinePropertiesChanged() override
{
// mark dirty just in case we're a width change
markSourceDirtyAndUpdate();
}
void markSourceDirtyAndUpdate() override
{
// preserveGeometry is cleared in updateMapItemPaintNode
m_geometry.markSourceDirty();
m_borderGeometry.markSourceDirty();
m_poly.polishAndUpdate();
}
void regenerateCache()
{
if (!m_poly.map() || m_poly.map()->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator)
return;
const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_poly.map()->geoProjection());
m_geopathProjected.clear();
m_geopathProjected.reserve(m_poly.m_geopoly.size());
for (const QGeoCoordinate &c : m_poly.m_geopoly.perimeter())
m_geopathProjected << p.geoToMapProjection(c);
}
void updateCache()
{
if (!m_poly.map() || m_poly.map()->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator)
return;
const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_poly.map()->geoProjection());
m_geopathProjected << p.geoToMapProjection(m_poly.m_geopoly.perimeter().last());
}
void preserveGeometry()
{
m_geometry.setPreserveGeometry(true, m_poly.m_geopoly.boundingGeoRectangle().topLeft());
m_borderGeometry.setPreserveGeometry(true, m_poly.m_geopoly.boundingGeoRectangle().topLeft());
}
void afterViewportChanged() override
{
// preserveGeometry is cleared in updateMapItemPaintNode
preserveGeometry();
markSourceDirtyAndUpdate();
}
void onMapSet() override
{
regenerateCache();
markSourceDirtyAndUpdate();
}
void onGeoGeometryChanged() override
{
regenerateCache();
preserveGeometry();
markSourceDirtyAndUpdate();
}
void onGeoGeometryUpdated() override
{
updateCache();
preserveGeometry();
markSourceDirtyAndUpdate();
}
void onItemGeometryChanged() override
{
onGeoGeometryChanged();
}
void updatePolish() override;
QSGNode *updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) override;
bool contains(const QPointF &point) const override;
QList<QDoubleVector2D> m_geopathProjected;
QGeoMapPolygonGeometry m_geometry;
QGeoMapPolylineGeometry m_borderGeometry;
MapPolygonNode *m_node = nullptr;
};
QT_END_NAMESPACE
#endif // QDECLARATIVEPOLYGONMAPITEM_P_P_H
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